/Engine/Source/Runtime/AIModule/Classes/Navigation/CrowdManager.h
Adjust current position in path's corridor, starting test from PathStartIdx
void AdjustAgentPathStart ( const [UCrowdFollowingComponent](API\Runtime\AIModule\Navigation\UCrowdFollowingComponent) * AgentComponent, const [FNavMeshPath](API\Runtime\NavigationSystem\NavMesh\FNavMeshPath) * Path, int32 & PathStartIdx ) const